Figure 6-15 the Davidson Company Uses a Weighted Average Process

Figure 6-15 The Davidson Company uses a weighted average process costing system. The following information was reported for the Assembly Process for January. Materials are added at the beginning of the process and are 100%.
Refer to Figure 6-15. What is the cost assigned to the units completed and transferred to finishing?

A) $843,750
B) $708,750
C) $777,500
D) $976,000
E) none of the above